239952157 has 2 divisors, whose sum is σ = 239952158. Its totient is φ = 239952156.

The previous prime is 239952143. The next prime is 239952179. The reversal of 239952157 is 751259932.

239952157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234518596 + 5433561 = 15314^2 + 2331^2 .

It is a cyclic number.

It is not a de Polignac number, because 239952157 - 2⁷ = 239952029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239952187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119976078 + 119976079.

It is an arithmetic number, because the mean of its divisors is an integer number (119976079).

Almost surely, 2^239952157 is an apocalyptic number.

It is an amenable number.

239952157 is a deficient number, since it is larger than the sum of its proper divisors (1).

239952157 is an equidigital number, since it uses as much as digits as its factorization.

239952157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 43.

The square root of 239952157 is about 15490.3891816829. The cubic root of 239952157 is about 621.4052041896.

The spelling of 239952157 in words is "two hundred thirty-nine million, nine hundred fifty-two thousand, one hundred fifty-seven".